The Disk,clutch,vehicular, cataloged under National Stock Number 2520-00-557-6076, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 2520-00-557-6076 |
| Primary Part Number | 23016608 |
| Item Name | Disk,clutch,vehicular |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | CANCELLED |
| Design Type | WET |
| Criticality Code Justification | FEAT |
| Disk Type | INTERNAL TEETH |
| Construction | SOLID |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 056705 | Alto Products Corp. Al (USA) |
| P-23016608 | Patterson Cooney Inc (USA) |
| 23016608 PRIMARY | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| Reference | Meaning |
|---|---|
| 444977C1 | 5/9 Secondary reference Komatsu American Intl Co |
| 6835707 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
| 2520005576076 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| SP40403 | 5/9 Secondary reference Friction Holdings, Llc Dba Friction Products Co Div Raybestos Powertrain |
| 444977C1 | 5/9 Secondary reference Simmons-Rand Co |
| 3016608 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
NSN 2520-00-557-6076 is a Disk,clutch,vehicular, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 2520, Vehicular Power Transmission Components. Status: cancelled.
NSN 2520-00-557-6076 has 3 manufacturer part numbers on file: 056705 (Alto Products Corp. Al), P-23016608 (Patterson Cooney Inc), 23016608 (Allison Transmission Inc Dba Allison Transmission, Inc).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-196-1814. Verify interchangeability with system specifications before substitution.
Key specifications for 23016608: Design Type: WET; Criticality Code Justification: FEAT; Disk Type: INTERNAL TEETH; Special Features: WEAPON SYSTEM ESSENTIAL. 4 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 2520-00-557-6076 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.